Use Computer Software to Obtain the Multiple Regression Equation and Identify

question 159

Multiple Choice

Use computer software to obtain the multiple regression equation and identify R $$\mathrm { R } ^ { 2 }$$ , adjusted R $$\mathrm { R } ^ { 2 }$$ , and the P-value.
-A wildlife analyst gathered the data in the table to develop an equation to predict the weights of bears. He used WEIGHT as the dependent variable and CHEST, LENGTH, and SEX as the independent variables. For SEX, he
Used male=1 and female=2. $$\begin{array} { | c c c c | } \hline \text { WEIGHT } & \text { CHEST } & \text { LENGTH } & \text { SEX } \\\hline 344 & 45.0 & 67.5 & 1 \\416 & 54.0 & 72.0 & 1 \\220 & 41.0 & 70.0 & 2 \\360 & 49.0 & 68.5 & 1 \\332 & 44.0 & 73.0 & 1 \\140 & 32.0 & 63.0 & 2 \\436 & 48.0 & 72.0 & 1 \\132 & 33.0 & 61.0 & 2 \\356 & 48.0 & 64.0 & 2 \\150 & 35.0 & 59.0 & 1 \\202 & 40.0 & 63.0 & 2 \\365 & 50.0 & 70.5 & 1 \\\hline\end{array}$$

• A) 0.971, 0.723, 0.000
• B) 0.891, 0.926, 0.003
• C) 0.725, 0.961, 0.014
• D) 0.927, 0.900, 0.000

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Definitions:

Efficient Markets

A theory that suggests that financial markets fully reflect all available information at any given time, making it impossible to consistently achieve higher returns.

Investment Capital

Funds invested in a business for the purpose of furthering its operations and generating income or profit.

Profit Opportunities

Situations or conditions that allow for the chance to generate earnings above the norm.

Economic Profits

The difference between a firm's total revenue and its total costs, including both explicit and implicit costs.